Cocoon Holland BV

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Cocoon Holland BV Cocoon is a revolutionary coating product. A high-quality, sprayable plastic for your capital goods. In need of reliable coating?

Choose the globally recognized Cocoon solution. The possibilities of Cocoon
At Cocoon we have everything under one roof. A high-quality, sprayable plastic, developed over a century ago, very unique and still unsurpassed. We also offer high quality painting services, with professional and skilled painters. Finally, we can conserve parts and store them for a longer period of time, often in combination with our cocoon applications. Sealed against moisture and dust
Cocoon offers the solution

Prevent corrosion and mold with the seamless preservation by the Cocoon Mothballing System. Or view other Cocoon products such as Facade Covering, Roof Covering and Membrane. A high-quality, sprayable synthetic material, developed around 50 years ago and still unbeaten. No other product has Cocoon’s reputation. No other product has Cocoon’s unique qualities, and no other product has so many possible applications. Cocoon Mothballing System
The Cocoon Mothballing System provides the objects to be protected with a weather-proof, tough and seamless Cocoon ‘skin’, which is hermetically sealed against moisture and dust. Within this ‘cocoon’, the relative humidity is kept at approximately 40%, which prevents the formation of mould and corrosion. In addition, rubber and other used synthetic materials remain intact at this humidity level. Materials protected in this way are available for use at any time. Cocoon Storage
At Cocoon LNG you can save your mothballing project for a long period of time. We can also closely monitor your stored spare-parts that have been placed in a Cocoon. Cocoon Wall finish
In places where high demands are placed on things such as hygiene, air-tightness etc, Cocoon has been the favourite choice of wall and ceiling finish since the 1970’s. Cocoon Wall and Ceiling Finish is a beautiful, high quality synthetic coating, which can be applied in situ, on virtually every material and in any colour required. The extremely long durability and colour fastness makes Cocoon Wall and Ceiling Finish a cost-efficient and durable solution. Do you have any questions about our opportunities? Save time and costs with Cocoon’s easy delivery and peelable coating. Mothballing around the world
Netherlands – Amsterdam

From our home base in Amsterdam we provide mothballing projects all over the world. Shell utilized our mothballing techniques to successfully preserve their spare-parts. Mothballing prevents corrosion and ensures that the product is still usable after storage. Fuji Trading Co Japan
Sembawang Shipyard – Singapore

We store spare parts for LNG tankers in our depots that have been enforced with our Cocoon mothballing system. This ensures that the spare parts will stay as good as new. The Cocoon mothballing system was invented at the end of the second World War to preserve all equipment like fighter jets, Marine vessels and others after the second World War ended. With this system they preserved the equipment but kept them in an status ready to be used. When machines are not used for extensive periods of time, they need to be stored in such a way as among others to prevent corrosion. Mothballing equipment offers a perfect solution. About Cocoon
We are a small company located in Hoofddorp, a town nearby the airport, and we also have our dedicated storage facilities in Drachten, the north of The Netherlands where we store spare parts of LNG carriers. Alexander van der Zee, owner of Cocoon (since 2002), has established roots in the painting industry. His grandfather had a paint factory where his father also worked in and so became quite familiar with the production and application of paint-related products from a young age. When the opportunity came to offer cocoon products, he seized that chance to further develop new applications for the technology. Cocoon’s method
Cocoon can do everything from A to Z. We have impact on the entire chain, from the first advice to the final application and after-sales service. Therefore we can offer the best guarantees. We are not the cheapest as the coating is applied by hand, resulting in more working hours. But we do deliver craftsmanship and bespoke solutions. Before parties contact us, they have often tried a lot of other solutions. They have searched for cheaper alternatives, but then experience problems regarding durability and the formation of corrosion and mold, because the coating needs to be applied seamlessly, or because of insufficient elasticity or chemical resistance. The right look and feel
Alexander: “Perhaps that is what gives me the most energy: sitting down at the drawing table, thinking along with others until we have found the perfect solution. I am a happy person if we can give the design of an architect, contractor and finally the client the right look and feel by applying our product.”

Cocoon offers
Prevent moisture and dust
The Cocoon Mothballing System provides the objects to be protected with a weather-proof, tough and seamless Cocoon ‘skin’, which is hermetically sealed against moisture and dust.

What happens to the value of an aircraft while it isn’t flying?An aircraft on the ground is still an asset.But if it rem...
27/10/2026

What happens to the value of an aircraft while it isn’t flying?

An aircraft on the ground is still an asset.

But if it remains out of service for a longer period, its condition can become increasingly dependent on how well it is preserved.

Moisture, corrosion, contamination and environmental exposure do not stop simply because the aircraft is parked.

That makes preservation more than a maintenance activity. It becomes part of the asset-management strategy.

The question is not only how to protect the aircraft while it is inactive, but also how to preserve its condition, reduce unnecessary deterioration and support a more efficient return to service when the aircraft is needed again.

At Cocoon Holland, we see aircraft preservation as part of protecting long-term asset value.

Because an aircraft that is temporarily not generating revenue should not also be losing condition unnecessarily.

How is preservation reflected in your asset-management strategy?

A transfer that felt like art!Art has little to do with the transfer of a giant component.On this day however, as ITER w...
24/10/2026

A transfer that felt like art!

Art has little to do with the transfer of a giant component.

On this day however, as ITER was preparing to celebrate Leonardo da Vinci's 500th anniversary, science, technology and industry conspired to provide a strikingly spectacular and beautiful event.

As the set of trailers carrying the lower cylinder of the ITER cryostat slowly crawled out of the Cryostat Workshop, everything combined to create an awesome view:

- The minimalist architecture of the workshop;
- The cylindrical component all draped in white;
- And the shimmering steel of the Assembly Hall...

All against the backdrop of the intense blue of a spring sky in Provence.

To date, the lower cylinder is the heaviest load to be moved on the ITER platform.

Solidly encased in its steel frame and carefully cocooned in air-tight material.

The leak-prone floor beneath the tanks in the plant room has been spray-coated to make it watertight
19/10/2026

The leak-prone floor beneath the tanks in the plant room has been spray-coated to make it watertight

18/10/2026

Seam and gap sealing project at Abbott, Zwolle 🇳🇱

Seam and gap sealing project at Schiphol A-Pier 1) Masking off the area around the pe*******on. 2) Covering the big open...
17/10/2026

Seam and gap sealing project at Schiphol A-Pier

1) Masking off the area around the pe*******on.
2) Covering the big openings with Cocoon foil.
3) Closing the small openings by means of our unique webbing technique.
4) Applying the final layers (4-6).

“How do you control humidity?” A frequently asked question by customers. If you want to store parts for a longer period ...
16/10/2026

“How do you control humidity?”

A frequently asked question by customers.

If you want to store parts for a longer period of time, it is important to reduce the humidity level to around 40%. Too high humidity can eventually cause steel to rust and products to lose their quality.

Too low humidity can compromise the quality of rubbers and elastomers. Corrosion protection for steel is needed to make sure that after 10-30 years, machinery and spare parts are still in good condition.

At Cocoon Holland we use several ways to control humidity:

- Seam seal: Humidity occurs when more moisture enters from outside. It is therefore important that the leaks in the construction are properly sealed by means of seam sealing.

- Air circulation: In addition to a good seam seal, proper air circulation is essential. With this, the humidity can be regulated.

- Choice of materials: Utilize materials that are the least susceptible to corrosion or that can withstand humidity.

- Temperature control: Relative humidity does not tell how much water vapour is actually in the air. But, it tells how close the air is to being saturated. So, air is said to be saturated or full if relative humidity is 100%. Relative humidity (Rh) is inversely related to the air temperature .i.e. if temperature increases, the Rh decreases and vice versa.

- Measurability: An essential aspect in controlling humidity is measuring it. After measuring the humidity possible problems can be detected and solved. The engineer makes a calculation and determines which air system is needed with which drying capacity.

Now you know the answer to the question ‘how to control humidity?’

But to do this yourself is almost impossible.

Do you have a case where a large part has to be protected for a long time against
corrosion?

Then have this done professionally, for example by the cocoon mothballing system.

15/10/2026

Seam and gap sealing work at Schiphol A-pier

Our team carried out seam and gap sealing works to ensure a neat, durable, and professional finish.

✅ Precise sealing for a clean result
✅ Improved protection against air and moisture ingress
✅ High-quality workmanship in a demanding airport environment

The outcome? A clean, consistent, and reliable finish that meets the high standards required at one of the Netherlands’ busiest airports.

Proud of our team and the work delivered at Schiphol A-Pier!

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Looking for a durable solution?

Contact us via:

T: +31 (0)20 6867 808
E: [email protected]

Wow! ✈️🏆Great to see our solution got recognized by the aircraft industry. Well done team Jed Lee, Alexander van der Zee...
13/10/2026

Wow! ✈️🏆

Great to see our solution got recognized by the aircraft industry.

Well done team Jed Lee, Alexander van der Zee and thanks to everyone who was involved during this project! 👍🏻

Hang in there Jed almost weekend!
02/10/2026

Hang in there Jed almost weekend!

22/09/2026

Back to Bratislava!

Departure of the fourth and last KLM Cityhopper Embraer 195E2, after almost two years of storage at Twente Airport

The PH-NXE flew to Bratislava for a c-check before entering operational service again.

Thanks to our Cocoon mothballing method these planes are in excellent condition.

Video: Gertjan Lichtenveldt

Adres

Parellaan 58
Hoofddorp
2132WS

Openingstijden

Maandag 09:00 - 17:00
Dinsdag 09:00 - 17:00
Woensdag 09:00 - 17:00
Donderdag 09:00 - 17:00
Vrijdag 09:00 - 17:00

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